Stylobit - A micro:bit Powered Stylophone - Brown Dog Gadgets Guides
A Stylophone : 14 Steps (with Pictures) - Instructables
Spectre on X: "A business card stylophone !! Use an #attiny85 and VUSB driver with midi micro-USB output, buzzer and RGB LEDs #attiny85 #pcbart #arduino #music https://t.co/Ra0rLt8VyI https://t.co/MxMM87wEel" / X
Stylosynth 70 - analog stylophone inspired synth - SyntherJack